Drill bit



FIG. 1 is a perspective view of a first embodiment of the present newdesign of a drill bit;

FIG. 2 is a right side elevational view of the first embodiment, theleft side and top and bottom views being identical;

FIG. 3 is a front end view thereof;

FIG. 4 is a rear end view thereof;

FIG. 5 is a perspective view of a second embodiment of the present newdesign of a drill bit;

FIG. 6 is a right side elevational view of the second embodiment, theleft side, top and bottom views being identical;

FIG. 7 is a front end view of the drill bit of FIG. 5; and,

FIG. 8 is a rear view thereof.

The broken lines in FIGS. 5 and 6 showing the flute portion of the drillbit form no part of the claimed design for the second embodiment.

The ornamental design for a drill bit, as shown and described.